Completed day 25 of year 2015

Author: fschatbot

2015/24.py

@@ -1,9 +1,9 @@
+from functools import cache
+
 split_data = lambda data: sorted([int(x) for x in data.split('\n')], reverse=True)
 completed = True
 raw_data = None # Not To be touched
 
-from functools import cache
-
 def part1(data):
 	aim = sum(data) // 3
 

2015/25.py

@@ -0,0 +1,22 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+import re
+
+split_data = False
+completed = 1
+raw_data = None # Not To be touched
+
+def part1(data):
+	row, col = re.search(r"To continue, please consult the code grid in the manual.  Enter the code at row (\d+), column (\d+).", data).groups()
+	r, c = int(row), int(col)
+	n = ((r + c - 2) * (r + c - 1)) // 2 + c
+
+	code = 20151125
+	for _ in range(1, n):
+		code = (code * 252533) % 33554393
+	
+	return code
+
+def part2(data):
+	...